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首页> 外文会议>International Symposium on Digital Manufacture; 20061015-17; Wuhan(CN) >Windows and Fieldbus Based Software Computer Numerical Control System
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Windows and Fieldbus Based Software Computer Numerical Control System

机译：基于Windows和现场总线的软件计算机数控系统。

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摘要

Computer numerical control ( CNC) system is the base of modern digital and intelligent manufacturing technology . And opened its architecture and constituted based on PC and Windows operating system ( OS) is the main trend of CNC system . However, even if the highest system priority is used in user mode, real-time capability of Windows (2000, NT, XP) for applications is not guaranteed . By using a device driver, which is running in kernel mode , the real time performance of Windows can be enhanced greatly. The acknowledgment performance of Windows to peripheral interrupts was evaluated. Harmonized with an intelligent real-time serial communication bus (RTSB), strict real-time performance can be achieved in Windows platform . An opened architecture software CNC system which is hardware independence is proposed based on PC and RTSB. A numerical-control real time kernel (NCRTK) , which is implemented as a device driver on Windows , is used to perform the NC tasks. Tasks are divided into real-time and non real-time. Real-time task is running in kernel mode and non real-time task is running in user mode. Data are exchanged between kernel and user mode by DMA and Windows Messages.
机译：计算机数控（CNC）系统是现代数字和智能制造技术的基础。并开放其架构并基于PC和Windows操作系统（OS）构成是CNC系统的主要趋势。但是，即使在用户模式下使用了最高的系统优先级，也无法保证Windows（2000，NT，XP）对应用程序的实时功能。通过使用以内核模式运行的设备驱动程序，可以大大提高Windows的实时性能。评估了Windows对外围中断的确认性能。与智能实时串行通信总线（RTSB）协调，可以在Windows平台上实现严格的实时性能。提出了一种基于PC和RTSB的硬件独立的开放式结构软件数控系统。在Windows上作为设备驱动程序实现的数控实时内核（NCRTK）用于执行NC任务。任务分为实时和非实时。实时任务在内核模式下运行，非实时任务在用户模式下运行。通过DMA和Windows消息在内核和用户模式之间交换数据。

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